:root{--bg:#fff;--ink:#1b232c;--muted:#5c6b7a;--mint:#0f9d6b;--mint-soft:#e6f6ef;--line:#e3e8ee;--bub:#f5f7fa;--bad:#fde8e8}
@media(prefers-color-scheme:dark){:root{--bg:#0f1419;--ink:#e6edf3;--muted:#8b98a8;--mint:#3ddc97;--mint-soft:#15302a;--line:#2a3340;--bub:#161c24;--bad:#3a1d1d}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
a{color:var(--mint)}main{max-width:980px;margin:0 auto;padding:1rem 1.2rem 2rem}
header.top{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;padding:.7rem 1.2rem;border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--ink);text-decoration:none}.tag{color:var(--muted);flex:1}
nav{display:flex;flex-wrap:wrap;gap:.9rem}nav a{text-decoration:none;color:var(--ink)}nav a.lang{color:var(--muted)}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:1rem 1.2rem;max-width:980px;margin:0 auto}
.hero{padding:2rem 0 1rem}.hero h1{margin:0;font-size:2.2rem}.lead{font-size:1.1rem;color:var(--muted)}
.btn,button{display:inline-block;padding:.6rem 1.1rem;border:0;border-radius:10px;background:var(--mint);color:#08110d;font-weight:700;cursor:pointer;text-decoration:none;font:inherit}
button:disabled{opacity:.5;cursor:default}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem}.cols h2{font-size:1.05rem;margin:.6rem 0 .2rem}
.card{border:1px solid var(--line);border-radius:14px;padding:1rem 1.2rem;margin:1rem 0;background:var(--bub)}.card.ok{background:var(--mint-soft)}.card.bad{background:var(--bad)}
label{display:block;margin:.6rem 0;font-size:.95rem}input[type=text],input[type=email],textarea{width:100%;padding:.5rem .7rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;word-break:break-all}.small{font-size:.85rem}.muted{color:var(--muted)}
dl.facts dt{font-weight:600;margin-top:.7rem;font-size:.9rem;color:var(--muted)}dl.facts dd{margin:0}
table.reg{border-collapse:collapse;width:100%;font-size:.9rem}table.reg td,table.reg th{border-bottom:1px solid var(--line);padding:.35rem .5rem;text-align:left;vertical-align:top}
.drop{border:2px dashed var(--line);border-radius:12px;padding:1rem 1.2rem;text-align:center;cursor:pointer;margin:.6rem 0}
.drop p{margin:0 0 .5rem}.drop.over{border-color:var(--mint);background:var(--mint-soft)}
ul.checks{list-style:none;padding:0}ul.checks li{padding:.2rem 0}pre{background:var(--bub);padding:.8rem;border-radius:10px;overflow-x:auto}
@media(max-width:640px){
 header.top{padding:.6rem .9rem;gap:.35rem .7rem}.tag{display:none}nav{gap:.3rem .7rem;font-size:.92rem}
 main{padding:.8rem .9rem 1.6rem}.hero{padding:1.2rem 0 .6rem}.hero h1{font-size:1.7rem}h1{font-size:1.5rem}h2{font-size:1.2rem}
 table.reg{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}table.reg th,table.reg td{white-space:nowrap}
 .cols{grid-template-columns:1fr}
}